Home / 1,011,402.19-1,517,701.83-372,154.82

Finding the Fourth Proportional to 1,011,402.19, 1,517,701.83 and 372,154.82

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Solution

The fourth proportional to 1,011,402.19, 1,517,701.83 and 372,154.82 is: 558,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,402.19 : 1,517,701.83 = 372,154.82 : x
  2. Step 2: Convert to fraction form
    1,011,402.19/1,517,701.83 = 372,154.82/x
  3. Step 3: Cross multiply
    1,011,402.19x = 1,517,701.83 × 372,154.82
  4. Step 4: Simplify right side
    1,011,402.19x = 564,820,049,496.55
  5. Step 5: Solve for x
    x = 564,820,049,496.55/1,011,402.19
  6. Step 6: Final answer
    x = 558,452.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.